Add Yahoo as a preferred source to see more of our stories on Google. A look at one of TV's most memorable characters throughout the years Sonja Flemming/CBS via Getty; Robert Voets/CBS via Getty Jim ...

Add Yahoo as a preferred source to see more of our stories on Google. Awkwardly hilarious is the best way to describe Leonard (Johnny Galecki) and Sheldon (Jim Parsons) on The Big Bang Theory, and it ...

Sheldon Cooper (Jim Parsons) is the heart and soul of "The Big Bang Theory" — for worse or for better, depending on how you feel about the sometimes controversial, sometimes abrasive character.

As Penny Hofstadter and Sheldon Cooper on "The Big Bang Theory," Jim Parsons and Kaley Cuoco share plenty of moments that range from uncomfortable to flat-out sweet — but in real life, they've also ...

To underscore those rare instances when he succumbs to his humorous side, Sheldon will punctuate his jokes and pranks with the triumphant exclamation “Bazinga!” after (sometimes long after) his jokes ...